APC Smart-UPS 1000VA UPS Battery Backup with Pure Sine Wave Output (SMT1000) 1000VA / 700W Battery Backup Uninterruptible Power Supply (UPS) Pure Sine Wave UPS provides highest degree of compatibility with active PFC power supplies and electronics 8 battery backup and surge protector outlets Smart UPS battery backup with LCD Display. Output Frequency (sync to mains) : 50/60Hz plus/ minus 3 Hz Network-grade power supply conditioning protects from damaging surges and disruptive noise. Solid state automatic voltage regulation (AVR) boosts low input voltage and trims high voltage without battery operation. Network manageable via serial, USB or optional ethernet Output Power Capacity: 670 Watts/1000 VA Nominal Output Voltage: 120V Output Frequency (sync to mains): 47~53Hz for 50Hz nominal, 57~63Hz for 60Hz nominal Waveform Type: Sine wave Typical recharge time: 3 hours